Try new game type: Survival.
In the survival all towers are saving between ages. So you can build a long term strategy.
1 scenario for Survival added: Normal life.
Immunity towers is a tower defence game where you take a role of immunity system. You should keep your human alive as long as possible.
Build and upgrade towers, modify human behavior and kill viruses and bacterias.
3 scenarios are available:
- Normal life
- Lab research
- Plague pandemic
